FAB-4309 add missing CCBY license to docs

Change-Id: Ib8717667e84b67a914ae37f6f88eab32a77e2cb3
Signed-off-by: Christopher Ferris <chrisfer@us.ibm.com>

Author: christo4ferris

README.md

@@ -326,3 +326,6 @@ JIRA Fields should be:
 </dl>
 
 Pleases provide as much information that you can with the issue you're experiencing: stack traces  logs.
+
+<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.
+s

maintainers.md

@@ -7,3 +7,6 @@
 | Pardha Vishnumolakala| psaradhi | pardha | psaradhi@gmail.com |
 | Rick Rineholt | cr22rc | rickr | cr22rc@gmail.com |
 | Satheesh Kathamuthu | xspeedcruiser | satheeshk | satheesh.ceg@gmail.com |
+
+<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.
+s

src/test/resources/create_EC_key_cert_for_testing.md

@@ -45,3 +45,6 @@ For elliptic curve, I use the curve **secp384r1**. Note that the Go tls package
   - openssl verify -CAfile _ca-cert-file_ _cert-file_
 
 - [keystore explorer](http://www.keystore-explorer.org/) can read keystores and truststores
+
+<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.
+s